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Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Summary Of Significant Accounting Policies [Abstract]  
Rollforward Analysis of the Allowance Against Accounts Receivable Balance





 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 



 

Year Ended December 31,

Allowances for bad debts

 

2016

 

2015

 

2014



 

(in thousands)

Balance at January 1

 

$

 (4,221)

 

$

 (2,400)

 

$

 -

Charged to costs and expenses

 

 

 (1,222)

 

 

 (2,699)

 

 

 (2,400)

Foreign currency gain (loss)

 

 

 232 

 

 

 878 

 

 

 -

Balance at December 31

 

$

 (5,211)

 

$

 (4,221)

 

$

 (2,400)